ZHCSDJ8A March   2015  – April 2015 UCD3138A

PRODUCTION DATA.  

  1. 1器件概述
    1. 1.1 特性
    2. 1.2 应用范围
    3. 1.3 说明
    4. 1.4 功能方框图
  2. 2修订历史记录
  3. 3Device Comparison
    1. 3.1 Product Selection Matrix
  4. 4Terminal Configuration and Functions
    1. 4.1 UCD3138ARGC Package
    2. 4.2 UCD3138ARMH Package
  5. 5Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Electrical Characteristics
    5. 5.5 Thermal Characteristics
    6. 5.6 PMBus/SMBus/I2C Timing
    7. 5.7 Parametric Measurements Information
    8. 5.8 Peripherals
      1. 5.8.1 Digital Power Peripherals (DPPs)
        1. 5.8.1.1 Front End
        2. 5.8.1.2 DPWM Module
        3. 5.8.1.3 DPWM Events
        4. 5.8.1.4 High Resolution DPWM
        5. 5.8.1.5 Oversampling
        6. 5.8.1.6 DPWM Interrupt Generation
        7. 5.8.1.7 DPWM Interrupt Scaling/Range
        8. 5.8.1.8 Synchronous Rectifier Dead Time Optimization Peripheral
    9. 5.9 Typical Temperature Characteristics
  6. 6Detailed Description
    1. 6.1  Overview
    2. 6.2  ARM Processor
    3. 6.3  Memory
      1. 6.3.1 CPU Memory Map and Interrupts
        1. 6.3.1.1 Memory Map (After Reset Operation)
        2. 6.3.1.2 Memory Map (Normal Operation)
        3. 6.3.1.3 Memory Map (System and Peripherals Blocks)
      2. 6.3.2 Boot ROM
      3. 6.3.3 Customer Boot Program
      4. 6.3.4 Flash Management
    4. 6.4  System Module
      1. 6.4.1 Address Decoder (DEC)
      2. 6.4.2 Memory Management Controller (MMC)
      3. 6.4.3 System Management (SYS)
      4. 6.4.4 Central Interrupt Module (CIM)
    5. 6.5  DPWM Modes of Operation
      1. 6.5.1 Normal Mode
      2. 6.5.2 DPWM Multiple Output Mode
      3. 6.5.3 DPWM Resonant Mode
      4. 6.5.4 Triangular Mode
      5. 6.5.5 Leading Edge Mode
    6. 6.6  Sync FET Ramp and IDE Calculation
    7. 6.7  Automatic Mode Switching
      1. 6.7.1 Phase Shifted Full Bridge Example
      2. 6.7.2 LLC Example
      3. 6.7.3 Mechanism for Automatic Mode Switching
    8. 6.8  DPWMC, Edge Generation, IntraMux
    9. 6.9  Filter
      1. 6.9.1 Loop Multiplexer
      2. 6.9.2 Fault Multiplexer
    10. 6.10 Communication Ports
      1. 6.10.1 SCI (UART) Serial Communication Interface
      2. 6.10.2 PMBUS
      3. 6.10.3 General Purpose ADC12
      4. 6.10.4 Timers
        1. 6.10.4.1 24-bit PWM Timer
        2. 6.10.4.2 16-Bit PWM Timers
        3. 6.10.4.3 Watchdog Timer
    11. 6.11 Miscellaneous Analog
    12. 6.12 Package ID Information
    13. 6.13 Brownout
    14. 6.14 Global I/O
    15. 6.15 Temperature Sensor Control
    16. 6.16 I/O Mux Control
    17. 6.17 Current Sharing Control
    18. 6.18 Temperature Reference
  7. 7Application, Implementation, and Layout
    1. 7.1 Application Information
    2. 7.2 Typical Application
      1. 7.2.1 Design Requirements
      2. 7.2.2 Detailed Design Procedure
        1. 7.2.2.1 PCMC (Peak Current Mode Control) PSFB (Phase-Shifted Full Bridge) Hardware Configuration Overview
        2. 7.2.2.2 DPWM Initialization for PSFB
      3. 7.2.3 DPWM Synchronization
      4. 7.2.4 Fixed Signals to Bridge
      5. 7.2.5 Dynamic Signals to Bridge
      6. 7.2.6 System Initialization for PCM
        1. 7.2.6.1 Use of Front Ends and Filters in PSFB
        2. 7.2.6.2 Peak Current Detection
        3. 7.2.6.3 Peak Current Mode (PCM)
      7. 7.2.7 Application Performance Plots
    3. 7.3 Layout
      1. 7.3.1 Layout Guidelines
      2. 7.3.2 Layout Example
    4. 7.4 Power Supply Decoupling and Bulk Capacitors
  8. 8器件和文档支持
    1. 8.1 器件支持
      1. 8.1.1 开发支持
        1. 8.1.1.1 工具和文档
        2. 8.1.1.2 开发套件
      2. 8.1.2 器件命名规则
    2. 8.2 文档支持
      1. 8.2.1 参考文档
      2. 8.2.2 社区资源
    3. 8.3 商标
    4. 8.4 静电放电警告
    5. 8.5 Export Control Notice
    6. 8.6 Glossary
  9. 9机械封装和可订购信息
    1. 9.1 Via Channel
    2. 9.2 封装信息

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

3 Device Comparison

3.1 Product Selection Matrix

FEATURE UCD3138A 64 PIN
(RGC)		 UCD3138A 40 PIN
(RMH)
ARM7TDMI-S core processor 31.25 MHz 31.25 MHz
High resolution DPWM outputs (250-ps resolution) 8 8
Number of high speed independent feedback loops (number of regulated output voltages) 3 3
12-bit, 267ksps, general-purpose ADC channels 14 7
Digital comparators at ADC outputs 4 4
Flash memory (program) 32 kB 32 kB
Flash memory (data) 2 kB 2 kB
Flash security √ √
RAM 4 kB 4 kB
DPWM switching frequency up to 2 MHz up to 2 MHz
Programmable fault inputs 4 1 + 2(1)
High speed analog comparators with cycle-by-cycle current limiting 7(2) 6(2)
UART (SCI) 2 1(1)
PMBus √ √
Timers 4 (16 bit) and 1 (24 bit) 4 (16 bit) and 1 (24 bit)
Timer PWM outputs 2 1
Timer capture inputs 1 1(1)
Watchdog √ √
On chip oscillator √ √
Power-on reset and brown-out reset √ √
Package offering 64 Pin VQFN (9 mm × 9 mm) 40 Pin WQFN (6 mm × 6 mm)
Sync IN and sync OUT functions √ √
Total GPIO (includes all pins with multiplexed functions such as, DPWM, fault inputs, SCI, and so forth) 30 18
External interrupts 1 0
(1) This number represents an alternate pin out that is programmable via firmware. See the UCD3138A Digital Power Peripherals Programmer’s Manual for details.
(2) To facilitate simple OVP and UVP connections both comparators B and C are connected to the AD03 pin.